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Measurement of the He nuclei flux at high energies with the PAMELA experiment
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2009 (English)In: 31st International Cosmic Ray Conference, ICRC 2009, University of Lodz , 2009Conference paper (Refereed)
Abstract [en]

The PAMELA experiment is a satellitebased apparatus launched in June 2006. Its core instrument is a magnetic spectrometer, whose high spatial resolution (∼ 3 micron) provides the discriminative power to separate particles and antiparticles. It can measure the momentum and the energy-loss rate of an incident particles, thus allowing to identify higher charges (up to Z ≃ 5). The main goal for PAMELA is a precise measurement of the light antimatter component in cosmic rays (antiprotons, positrons), with unprecedented statistics and over a largely unexplored energy range. The instrument characteristics and the large statistics allow to precisely measure absolute fluxes for various cosmic-ray species up to high energy. Here the He flux analysis above some GeV is presented.

Place, publisher, year, edition, pages
University of Lodz , 2009.
Keyword [en]
Cosmic rays, Experiments, Helium, Discriminative power, Energy ranges, Energy-loss rate, High spatial resolution, Incident particles, Magnetic spectrometers, Precise measurements, Satellite detectors, Cosmic ray measurement
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-164551ScopusID: 2-s2.0-84899099994OAI: diva2:806665
31st International Cosmic Ray Conference, ICRC 2009, 7 July 2009 through 15 July 2009, Lodz

QC 20150421

Available from: 2015-04-21 Created: 2015-04-17 Last updated: 2015-04-21Bibliographically approved

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Carlson, PerHofverberg, PetterPearce, Mark
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